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What relation is your brother's cousin's aunt's daughter to you ?

What relation is your cousin's aunt's niece's mother's brother in law to you ?

What relation is your brother's aunt's sister's cousin's son to you ?

What relation is your uncle's daughter's sister's father in law to you ?

What relation is your sister's brother's uncle's cousin to you ?

What relation is your father's daughter's cousin's son to you ?